feat(telegram): stop generation from the client, questions survive a restart, images reach the model inline, albums become one turn

src/beaver_gateway/conversations/messaging.py

@@ -20,13 +20,19 @@ _log = logging.getLogger(__name__)
 
 class Messaging(Turns):
     async def post(
-        self, conv: Conversation, text: str, *, origin: str = "user"
+        self,
+        conv: Conversation,
+        text: str,
+        *,
+        origin: str = "user",
+        attachments: list[dict[str, Any]] | None = None,
     ) -> InjectQueueItem:
         item = await self._queue.push(
             conversation_id=cast("int", conv.id),
             priority="user",
             origin=origin,
             text=text,
+            attachments=attachments,
         )
         await self.touch_user(conv)
         self._bus.publish(
@@ -86,6 +92,14 @@ class Messaging(Turns):
         self._ensure_worker(cast("int", conv.id))
         return item
 
+    async def interrupt(self, conv: Conversation) -> bool:
+        """Cut the running turn; the reply so far still lands."""
+        try:
+            backend = self._backend(conv.agent_name)
+        except LookupError:
+            return False
+        return await backend.interrupt(conv.external_id)
+
     async def say(self, conv: Conversation, text: str) -> dict[str, Any]:
         runner = self._runners.get(cast("int", conv.id))
         _log.info("say[%s]: %s", conv.external_id, text[:200])